Here’s how we arrived at the drilled shaft construction process for bridge foundation work: During the design and planning process for Grand Avenue Bridge project, different foundation types were ...

Through collaboration with the owner utility and the contractor, designers then considered two different construction methods — a traditional drilled shaft with permanent steel casing or micropiles ...

AEP increases construction productivity of drilled shaft foundations during live-line conditions. Adam G. Bowland also co-authored this article. Deenergizing transmission facilities to accommodate ...

"Construction workmanship and quality issues also have been discussed, but the overall goal is to improve the quality of and ensure the uniformity of drilled shaft foundations," says Peter Osborn ...

Condon-Johnson & Associates (CJA), Oakland, was recently named the recipient of the ADSC: The International Association of Foundation Drilling s 2011 Quality in Drilled Shaft Construction Award.

A significant example of how artful engineering can overcome seemingly impossible challenges is the Sarah Mildred Long bridge replacement project, which includes over-water field exploration, drilled ...

“When completed, this shaft will be part of the new permanent ventilation system that will allow us to provide critical airflow to the underground workforce.” Construction of a concrete liner ...

Now, following the recent pour of nuclear-grade concrete at the site, the reactor has officially entered its construction phase. As part of the foundation work, each drilled shaft is reinforced ...

Workers at the construction site on Biscayne Boulevard drilled two shafts into the earth — one at a depth of 177 feet, the other at 171 feet — for pilings that will support the 709-foot-high ...